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This book is a story about quantum theory.Quantum theory is an extre
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译言
On May 12, 2008, an earthquake measuring 7.8 on the Richter scale oc
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Each disaster-affected area will have its specific demographics, reg
萧秋水
Applicable to disaster areas, learn about earthquake knowledge, how
It is suitable for people who are trying to provide disaster relief
It is suitable for people in the disaster area to learn how to save